Solution : https://service.sap.com/sap/support/notes/1647454 (SAP Service marketplace login required)
Key words : 
reprovisioning business roles reason, 0 customers installing sp06, prerequisites customers wishing, reprovision business roles, terms access control, access control documentation, business roles, access control 10, technical roles, solution read
Related Notes : 
       
| 1729453 | Documentation for Access Control 10.0 SP09 BI Datasources | 
| 1723477 | Template Role | 
| 1690963 | Documentation for Access Control 10.0 BI Datasources | 
| 1673593 | Updates to Customizing for GRC 10 Due to SP08 | 
| 1623392 | |
| 1580393 | Documentation Updates for Access Control 10.0 |